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Leaked CIA Tools Linked to Known Cyber Espionage Group | Symantec

ID: b349f459-4341-5bd5-b84b-e1fcc7823d22

STIX ID: report--b349f459-4341-5bd5-b84b-e1fcc7823d22

Feed Name: Security Ledger

Threat Score
85/100

Date Published: 2017-04-10

Date Updated: 2026-04-26

Author: Paul Roberts

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Symantec links Vault 7 leaked tools to a long-running cyber-espionage group dubbed "Longhorn", which used zero-day exploits and multiple malware families (Corentry, Plexor, Backdoor variants) to target 40 victims across 16 countries; researchers found matching development timelines, PDB references, compiler changes, and TTPs that align Vault 7 documents with observed Longhorn campaigns.

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